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lying face downward, or on the ventral surface; see also prone position. Called also procumbent.


Rarely used term denoting in a prone position; lying face down.
[L. procumbens, falling or leaning forward]


/pro·cum·bent/ (pro-kum´bint) prone; lying on the face.




lying along the ground.


prone; lying on the abdomen. Called also ventral recumbency.
References in periodicals archive ?
The procumbent nature of ray cells is achieved, in part, by radial stem expansion.
The objectives of this experiment were to (i) examine the morphology of the erect and procumbent glandular trichomes found on the perennial glandular-haired alfalfa clone FGplh13; (ii) examine the exudate associated with the glandular trichomes; and (iii) compare the density and distribution of the erect and procumbent forms.
Hypothesis: Heterogeneous Type II rays feature multiseriates with a central group of procumbent cells, plus some upright sheathing cells, and few or no wings at tips of multiseriate rays.
4) Blanc Du Bois is a vigorous grape variety similar to Norton in that it has both modest cluster size and a procumbent growth habit.
Rays mostly homocellular with typically procumbent cells to heterocellular, with 1 row of upright and/or square marginal cells, 6-8 per mm, 1 to 3 occasionally up to 4 cells wide, commonly less than 1 mm, to slightly more than 1 mm: 220(250-691)1050 [m in height.
Houstonia serpyllifolia Michaux, in subgenus Houstonia, has delicate procumbent stems that root at the nodes.
Some field-grown plants of the most viny and procumbent genotype of the three, PI 227687, have main stems and/or branches reaching lengths of 3 to 4 m when planted in mid-May at Stoneville, MS (1991, personal observation).
Stems of many Polygonum plants in our study also showed flexibility in habit, often being decumbent or even procumbent at the base of the plant.
Tender published on procumbent web site f https://eproc.
For example, septate fibers, in addition to their presence in the Lythraceae, appear in the Onagraceae, Oliniaceae, Psiloxylaceae, and parts of the Melastomataceae and Combretaceae; paratracheal parenchyma also appears in parts of the Myrtaceae, Combretaceae, Melastomataceae, and Crypteroniaceae; specialized rays with an emphasis on procumbent cells are common in the Melastomataceae and Onagraceae; and vascular tracheids also are found in the Combretaceae (van Vliet & Baas, 1984).
Bianc Du Bois is a moderate to highly vigorous grape variety that has a procumbent or sprawling growth habit adaptable to either a vertical shoot positioned or a downward sprawling vine-training system.
Rhizomes are suberect to procumbent or scandent, sometimes short-creeping, rigid, densely scaly.